00725cam a22002291 4500 e 33001329 DLC 20260227111224.0 800320s1929 nyu 000 0 eng e 33001329 (OCoLC)6108460 DLC Vi DLC HD6250.U3 N2 no. 356 National Child Labor Committee (U.S.) comp. The doctor looks at child labor. [New York city, 1929] 21, [1] p. illus. 24 cm. Publication no. 356 A series of statements contributed by recognized medical authorities. Children Health and hygiene United States. Child labor United States. 21350 21350